tiny refactor for more stable logging

app.py

@@ -48,6 +48,8 @@ logger = logging.getLogger(__name__)
 
 def generate_prompt(request: gr.Request):
     try:
+        session_id = request.session_hash
+
         # Read the system prompt from file
         system_prompt = os.environ.get("SYSTEM_PROMPT")
         api_key = os.environ.get("OPENAI_API_KEY")
@@ -65,7 +67,6 @@ def generate_prompt(request: gr.Request):
         client = OpenAI(api_key=api_key)
 
         # Make API call
-        session_id = request.session_hash
         logger.info(f"Making OpenAI API request - Session: {session_id}")
         response = client.chat.completions.create(
             model="gpt-3.5-turbo",